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Finding the Fourth Proportional to 493,746.80, 740,620.20 and 454,866.80

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Solution

The fourth proportional to 493,746.80, 740,620.20 and 454,866.80 is: 682,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,746.80 : 740,620.20 = 454,866.80 : x
  2. Step 2: Convert to fraction form
    493,746.80/740,620.20 = 454,866.80/x
  3. Step 3: Cross multiply
    493,746.80x = 740,620.20 × 454,866.80
  4. Step 4: Simplify right side
    493,746.80x = 336,883,540,389.36
  5. Step 5: Solve for x
    x = 336,883,540,389.36/493,746.80
  6. Step 6: Final answer
    x = 682,300.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.